Lancaster 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Lancaster 7-day weather forecast

Stacker created the forecast for Lancaster, Pennsylvania using data from OpenWeather. This week's high is 78 °F on Thursday, while the low is 48 °F on Tuesday. There are expected to be 5 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, September 8

- High of 73 °F, low of 51 °F (41% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:39 AM, sunset at 7:26 PM
1 / 6
supergenijalac // Shutterstock

Tuesday, September 9

- High of 74 °F, low of 48 °F (46% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:40 AM, sunset at 7:24 PM
2 / 6
Alex Stemmer // Shutterstock

Wednesday, September 10

- High of 62 °F, low of 54 °F (66% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:41 AM, sunset at 7:22 PM
3 / 6
Matusciac Alexandru // Shutterstock

Thursday, September 11

- High of 78 °F, low of 58 °F (39% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:42 AM, sunset at 7:21 PM
4 / 6
Rachasie // Shutterstock

Friday, September 12

- High of 78 °F, low of 56 °F (47% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 6:43 AM, sunset at 7:19 PM
5 / 6
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Saturday, September 13

- High of 77 °F, low of 59 °F (51% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 6:44 AM, sunset at 7:17 PM
6 / 6
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Sunday, September 14

- High of 77 °F, low of 53 °F (50% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate breeze (13 mph wind)
- Sunrise at 6:45 AM, sunset at 7:16 PM
- Last quarter moon

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